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Finding the Fourth Proportional to 124,670.96, 172,048.92 and 68,081.84

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Solution

The fourth proportional to 124,670.96, 172,048.92 and 68,081.84 is: 93,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,670.96 : 172,048.92 = 68,081.84 : x
  2. Step 2: Convert to fraction form
    124,670.96/172,048.92 = 68,081.84/x
  3. Step 3: Cross multiply
    124,670.96x = 172,048.92 × 68,081.84
  4. Step 4: Simplify right side
    124,670.96x = 11,713,407,043.61
  5. Step 5: Solve for x
    x = 11,713,407,043.61/124,670.96
  6. Step 6: Final answer
    x = 93,954.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.